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Here's the step by step procedure on how to upgrade the Samsung Galaxy Gio S5660 to the latest 2.3.3 Gingerbread S5660XXKPA official Stock ROM - firmware version update. Just read carefully the instructions below and don't forget to back up all off your important data installed on the device before proceeding.

All newest firmware updates for Samsung Galaxy Gio are listed here: Check for newest firmware updates before proceeding, this might already outdated firmware version in due time.

"Disclaimer: We Shall not be liable for any damage that results to your phone! Everything you do is at your own risk, Please proceed with extra precautions! Don't forget to back up all of your important files for it will all wipe out in this process!"

Do the following preparations before proceeding:
* Make a back up copy of all important data stored on the device.
* Ensure that the battery is fully charge.
* Close any Antivirus software, if you have KIES installed close it also.
* Remove memory card and sim card on the device.

7) Turn the Samsung Galaxy Mini into Download mode by pressing ( Volume Down + OK + Power ) at the same time.

8) Then Connect the phone to PC, the COM port mapping will turn to yellow colour when the device is properly connected and detected.

9) Hit the"Start" button if all things are ready... to begin flashing.

10) Just wait until the program will finished downloading all the binary files. Don't touch it and avoid interrupting the process. It takes around 5 minutes.

11) A word "PASS" with a blue background will then display on the left side square if the flashing successfully completes.

If the flashing successfully completes, the phone will then reboot... then unplug it from the PC.
You may then confirm the newly downloaded firmware version name etc by typing **#1234#.
Then change the language settings at your own region.

1. Download: Update.zip
2. Copy the ZIP file to the SD card of your Galaxy Gio
3. Turn the phone off
4. Turn the device in recovery mode by (holding down the middle control button, while the Power ON button is pressed.)
5. From the menu select the option "Update from SD card " and then choose from the list of files, the file Update.zip and install it.
6. Wait a few seconds, the phone will then reboot.
7. The GIO is rooted => Super User button in the phone menu

41 comments:

Hi everyone,Could it still be possible to receive Samsung's official 2.3.3 update through KIES _after_ upgrading using the unofficial method? I'm really tempted to try upgrading using ODIN.Oh, and one more thing. How would I be able to downgrade back to 2.2.1 IF something went wrong with the 2.3.3 upgrade?

@PER Your phone is not bricked, A bricked phone will not boot up nor power on it.. Your device firmware is jammed or corrupted. I think you need to restore back to froyo.. Firmwares has bugs even officially release or not.. Some Bugs are already posted above from those who already tried it but after flashing and it goes a weird black screen or blinking I think you messed up something...never happens to our Samsung Galaxy Gio after flashing 2.3.3 firmware above...

Do wipe a factory reset.... Then install a froyo firmware... If you still a black screen problem after successfully flash other firmware version.. then your device have a hardware problem issue.

Thanks for you reply. I think I might have been unclear in my explanation regarding what happens when I try to download. It reads "downloading" but thats it - nothing happens on the screen. Then it goes black and starts "blinking" with the background light.

I can also get the Emergency download mode (ARM9 mode) up and running, but that takes special software from what I have understood - and thus is pretty useless to me. I can in no other way make the phone react. I've tried to get access to the hard reset, but no luck as the only result is the blinking logo appearing.

It constantly force closes software update, when I log in at: about the phone -> sofwareupdate it stops doing it.But when I click on softwareupdate nothing happens..Is this a problem or just a little bug or something?

Per, how is your phone? An aspirin might help. I had a similar things happened today, as I tried to update thru kies & NPC studio which didn't work, I then just try the push button method (dwnload) but then after it's off by itself, when I try to on it again only the logo appears on/off looping. A cold sweat, then I just redo the download mode with usb attached and kies running, downloading.....then I just press the off button ( a few minute to affect-off), when it off I detached and on it again, fuhh all back to normal, but I still in froyo.:-(~

"I can also get the Emergency download mode (ARM9 mode) up and running, but that takes special software from what I have understood - and thus is pretty useless to me. I can in no other way make the phone react. I've tried to get access to the hard reset, but no luck as the only result is the blinking logo appearing. "

I have simular problem and resolve it by complete exit KIES. When i say exit i mean that even in task manager you must end KIES procesess.when you kill all KIES processes you will not see ARM9 mode sign but DownloadingGood Luck

You need to put the phone in Download mode! Press Volume Down (not Up or both) + OK + Power. You should see the screen display Downloading in Yellow. Phone rebooting a couple of times, but wait till the blue PASS box is displayed before disconnecting your phone.

After having installed Gingerbread successfully, I later went into recovery mode to run update.zip, but got an error message: Applying Multi-CSC - can't access to "/system/CSC/SER?system". The only option given was to reboot the phone.

i cant download the rar file of android 2.3.5 gingerbread through hotfile link.when i download it it starts very slow and gets closed or cancelled and gives the error "cannot download due to timeout" are there any other links to download this file like megaupload.etc.i download things through idm..........

Dear Readers,Some firmware files are not available, this is due to the shutting down of the file host. But we are now working on broken links.Some newer files download links are now fully working but there are still those older files unavailable.

You may also report some unavailable firmware files to us by dropping your messages on our comment forms. We apologize for the inconvenience.